3.2.2.44.Group B, Division 3, Up to 3 Storeys, Sprinklered

(1) A building classified as Group B, Division 3 is permitted to conform to Sentence (2) provided (a) except as permitted by Sentences 3.2.2.7.(1) and 3.2.2.18.(2), the building is sprinklered throughout, (b) it is not more than 3 storeys in building height, and (c) it has a building area not more than (i) 5 400 m2 if 1 storey in building height, (ii) 2 700 m2 if 2 storeys in building height, or (iii) 1 800 m2 if 3 storeys in building height. (2) The building referred to in Sentence (1) is permitted to be of combustible construction or noncombustible construction used singly or in combination, and (a) floor assemblies shall be fire separations with a fire-resistance rating not less than 1 h, (b) mezzanines shall have a fire-resistance rating not less than 1 h, and (c) loadbearing walls, columns and arches shall have a fire-resistance rating not less than that required for the supported assembly.